C09K 8/5045
Containing inorganic compounds
Official title: {containing inorganic compounds}
C09K8/5045 (Containing inorganic compounds) appears on 491 US grants and 486 published applications in this corpus.
Search patents in C09K- Granted patents
- 491
- Published applications
- 486
- Assignees
- 152
- Inventors
- 929
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 4 | 11 |
| 2004 | 8 | 16 |
| 2005 | 7 | 14 |
| 2006 | 16 | 18 |
| 2007 | 12 | 13 |
| 2008 | 5 | 11 |
| 2009 | 10 | 12 |
| 2010 | 12 | 14 |
| 2011 | 9 | 19 |
| 2012 | 9 | 19 |
| 2013 | 9 | 7 |
| 2014 | 12 | 10 |
| 2015 | 11 | 8 |
| 2016 | 5 | 12 |
| 2017 | 9 | 15 |
| 2018 | 13 | 21 |
| 2019 | 36 | 48 |
| 2020 | 32 | 40 |
| 2021 | 46 | 41 |
| 2022 | 38 | 32 |
| 2023 | 44 | 33 |
| 2024 | 41 | 32 |
| 2025 | 23 | 21 |
| 2026 | 17 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sealant compositions comprising red mud, subterranean operation fluids thereof, and related methods15 Sep 2026US 12,735,624 B1Saudi Arabian Oil Company
- Method for improving oil and gas well productivity and encapsulated lubricating frac fluid additive by lubrication of stimulated reservoir volume25 Aug 2026US 12,716,321 B2Saudi Arabian Oil Company
- Method for subsurface injection conformance improvement using micro calcium carbonate particles11 Aug 2026US 12,703,820 B2Millcreek Capital Management LLC
- Methods and compositions for volcanic ash lost circulation materials11 Aug 2026US 12,704,031 B2Saudi Arabian Oil Company
- Lost circulation material compositions utilizing spent drilling fluids and methods for using the same16 Jun 2026US 12,655,697 B2Saudi Arabian Oil Company
- Process for preparing an oil-well cement slurry24 Sep 2026US 2026/0286209 A1Oil and Natural Gas Corporation Limited
- Fluid loss control for geopolymer system30 Jul 2026US 2026/0218035 A1Schlumberger Technology Corporation
- Gel-based formulations for water and gas shut-off in a sub-terranean zone16 Jul 2026US 2026/0201239 A1Nouryon Chemicals International B. V.
- Systems And Methods To Place A Thermally Conductive Sheath In A Geothermal Well16 Jul 2026US 2026/0201773 A1XGS Energy, Inc.
- Methods of sealing a water-bearing formation using a red mud9 Jul 2026US 2026/0193486 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Repairing leaks in casings196US 5,123,487 AHalliburton Services · 1992
- Methods and compositions for controlling lost circulation in subterranean operations150US 7,284,611 B2Halliburton Energy Services.Inc. · 2007
- Method of preventing gas coning and fingering in a high temperature hydrocarbon bearing formation126US 5,320,171 AHalliburton Company · 1994
- Article for sealing well castings in the earth122US 4,919,989 AAmerican Colloid Company · 1990
- Generating Acid Downhole in Acid Fracturing110US 7,166,560 B2Schlumberger Technology Corporation · 2007